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[93.65.244.85]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5bd1a60984bsm482259a12.79.2024.08.10.02.59.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 10 Aug 2024 02:59:43 -0700 (PDT) Message-ID: <35593d3b-e4df-45a3-9c9b-101420aedff8@gmail.com> Date: Sat, 10 Aug 2024 11:59:41 +0200 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] wifi: mac80211: check basic rates validity To: Greg KH Cc: johannes@sipsolutions.net, sashal@kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, javier.carrasco.cruz@gmail.com, skhan@linuxfoundation.org, stable@vger.kernel.org, Johannes Berg , syzbot+07bee335584b04e7c2f8@syzkaller.appspotmail.com References: <20240729134318.291424-1-vincenzo.mezzela@gmail.com> <2024073014-borrowing-justifier-18c8@gregkh> Content-Language: en-US From: vincenzo mezzela In-Reply-To: <2024073014-borrowing-justifier-18c8@gregkh> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 7/30/24 16:23, Greg KH wrote: > On Mon, Jul 29, 2024 at 03:43:18PM +0200, Vincenzo Mezzela wrote: >> From: Johannes Berg >> >> commit ce04abc3fcc62cd5640af981ebfd7c4dc3bded28 upstream. >> >> When userspace sets basic rates, it might send us some rates >> list that's empty or consists of invalid values only. We're >> currently ignoring invalid values and then may end up with a >> rates bitmap that's empty, which later results in a warning. >> >> Reject the call if there were no valid rates. >> >> [ Conflict resolution involved adjusting the patch to accommodate >> changes in the function signature of ieee80211_parse_bitrates and >> ieee80211_check_rate_mask ] >> >> Signed-off-by: Johannes Berg >> Reported-by: syzbot+07bee335584b04e7c2f8@syzkaller.appspotmail.com >> Tested-by: syzbot+07bee335584b04e7c2f8@syzkaller.appspotmail.com >> Closes: https://syzkaller.appspot.com/bug?extid=07bee335584b04e7c2f8 >> Signed-off-by: Vincenzo Mezzela >> --- >> Hi, >> please note that a backport of the same patch for v5.15 is available at >> [1]. > Please resend [1] as it's gone from my queue. > > greg k-h Hi Greg, I've just sent it here [1]. Vincenzo - [1] https://lore.kernel.org/all/20240810095432.89063-1-vincenzo.mezzela@gmail.com/